package com.arsenavid.maven.web.filters;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet Filter implementation class NoInternetExplorer6
 */
public class NoInternetExplorer6 implements Filter {

    /**
     * Default constructor. 
     */
    public NoInternetExplorer6() {

    }

	/**
	 * @see Filter#destroy()
	 */
	public void destroy() {

	}

	/**
	 * @see Filter#doFilter(ServletRequest, ServletResponse, FilterChain)
	 */
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
		
		HttpServletRequest req = (HttpServletRequest) request;
		if (req.getHeader("User-Agent") == "IE6") {
			HttpServletResponse res = (HttpServletResponse) response;
			res.sendError(400,"Error Internet Explorer");
		}
		
		chain.doFilter(request, response);
	}

	/**
	 * @see Filter#init(FilterConfig)
	 */
	public void init(FilterConfig fConfig) throws ServletException {

	}

}
